Cooling means for rolled bars



April 25, 1933. J. GASSEN COOLING MEANS FOR ROLLED BARS Filed July 12,1932 5 Sheets-Sheet 1 INVENTOR. J0EE? Eassm.

ATTORNEY.

A ril 25, 1933. .1. GASSEN COOLING MEANS FOR ROLLED BARS Filed July 12,1932 3 Sheets-Sheet 2 INVENTOR. E as SEN.

Juan

ATTORNEY.

April 25, 1933. J GASSEN 1,905,461

COOLING MEANS FOR ROLLED BARS Filed July 12, 1932 3 Sheets-Sheet 3 1NVEN TOR.

ATTORNEY.

J EJEEF Enssm.

Patented Apr. 25, 1933 Ltdtl JOSEF GASSEN, OF DUSSELDOBF, GERMANY,ASSIGNOR TO .SGHLOEMANN AKTIEINGE:

SELLSCHAFT,.OF DUSSELDORF, GERMANY, A CORPORATION OFv GERMANY COOLINGMEANS FOR ROLLED B ARS Application filed July 12, 1932, Serial No.622,080, and in Germany July 13, 1931.

My invention relates to cooling devices for the cooling of rolled bars,and has partlcular reference to improvements in cooling beds, on whichthe rolled bars are successively 5 moved along either singly, or ingroups.

The object of the present invention 1s to produce a cooling devicewhereby rolled bars of any cross-section are gradually cooled especiallywhen passing through the critical 1 temperatures. In this way, rolledproducts of high quality are obtained; My cooling device is so designedand constructed that rolled flat bars having a large surface may begradually cooled, which object I attain in pro- 1 viding special meanspermitting the bars to successively glide, down an inclined plane to aplace where they are arrested to be sub sequently stacked and movedacross the cooling bed in stacked formation, whereby all the 0 bars aregradually and uniformly cooled, until they reach the place at the end ofthe cooling bed where they are removed. In this way, warping of the flatbars is effectively pre vented.

The means permitting the downward glide of the flat bars are so arrangedthat they can be moved to operative and inoperative positions at will.In the latter event, the cooling device is arranged for the intermittentmovement of rolled bars of other than flat crosssection toward thecooling bed by means of a step-shaped connecting member, on which therolled bars are constantly supported. Operatively associated with saidconnecting member are lifting elements for moving the bars one step at atime. These lifting elements are disconnected, when flat bars arecooled.

The invention is shown on the annexed drawings, on which Fig. 1 is aside elevation of the new device, the central portion of the cooling bedbeing shown broken away and certain portions being shown in section;Fig.

2 is a. similar view as Fig. 1 showing additional elements for adaptingthe device for the handling of rolled fiat bars; Fig. 3 shows,

on an enlarged scale, the right-hand part of Fig. 1 adapted for thehandling of rolled bars of various cross-sections, the liftingelementsbeing shown in their various operative positions as indicated bythe broken lines; Fig. 4 shows, on an enlarged scale, the righthand partof Fig. 2 to more clearly illustrate the manner of operation in thehandling and stacking of rolled fiat bars; Fig. 5 is an enlarged detailview of that part of the device, where the flat bars are stacked.

In all the figures, at 1 is shown the feedroller mechanism, at 2 theroller delivery bed, at 3the removal device, at 4 the cooling bed, overwhich the rolled bars are transported without being lifted, and at 5 amechanically driven rock-shaft extending longitudinally of the deviceand having mounted thereon the lever arms 6 and 7 which can beselectively coupled with or uncoupled from shaft 5.

The lever arms 6 have linked with them lifting elements 8 provided withvertical slots 9 which are engaged by the free ends of guidelevers 10mounted on a longitudinally extending mechanically driven rock-shaft 11.

The lever arms 7 shown in Figs. 2 and 4 have linked to them supportingrods 12 carrying stacking elements 13 also acting as chutes. At 14 isshown a longitudinal beam and at 15 a longitudinally extending bracketprovided with an inclined face 'actingas a chute. On these two elementsrests a stepped plate 16 formed with a plurality of grooves 17 (Fig. 3),which are used for the handling of rolled bars of variouscross-sections.

The operation of the above described device is as follows:

At 18 in Figs. 1 and 3 is shown a bar which in well-known manner islifted out of the feed-roller mechanism 1 and on the inclined face ofbracket 15 slides into the position indicated at 18. Thereupon, by meansof the lever arms 6 the lifting elements 8 linked to these lever armsare lifted from their position shown at I in Fig. 3 to the positionshown at IT and immediately thereafter, the lifting elements are swungby the guidelevers 10 mounted'on shaft 11 and engaging in the slots 9 ofthe lifting elements 8 to the 95 position shown by the broken linesmarked III in Fig. 3 and by a corresponding rocking movement of shaft 5are lowered to the position marked IV in F ig..3 from which position thelifting-elements 8 are returned by delivery bed 2 shown at the left inFigs. 1

and 2 is effected in well-known manner by the removal elements shown at3in said figures, which elements, after each cycle, remove a certainnumber of cooled bars onto the roller .delivery bed 2.

To adapt the device for the handling of rolled flat bars, the followingadditional elementsv are provided.

At 19 in Figs. 2 and 5 is shown a shaft on which are fulcrumedglide-elements 20, which can be swung from their inoperative positionshown by the broken line 20 in Fig. 4 tothe full-line position in whichthey cover the stepped plate 16. Fulcrumed on the same shaft 19 are theabove mentioned stacking elements 13, which normally occupy the fulllineposition shown in Fig. 4, from which position they may be swun to theelevated position 13 as indicated by the broken lines in Fig. 4. At 21in Figs. 2, 4, and 5 are shown movable stops corresponding in width tothe distance between two adjacent removal members 3', which stops are soshaped and designed as to afford a support to the rolled flat bar, asthe stacking operation is commenced, and to maintain said support whilethe rolled flat bars are gradually moved across the cooling bed.Directly adjoining the removal element 3 at the delivery end of thecooling bed 4 are plates 22 which may be formed integral with the rollerdelivery bed and are designedto receive the stops 21, when the entirecooling bed is covered in its entire width with rolled bars. In thatcase the stops 21 have reached their position of rest indicated in Fig.2 by the reference numeral 21.

The rolled flat bars are shown in their various positions in Figs. 4 and5 by the refer- .ence numerals 22, 22, 22" at thebeginning and end of anoperation. At 24 in Fig. 5 is more clearly shown the manner of stackingthe rolled flat bars. 1

When rolled flat bars shall be handled by the herein described device,the lever arms 6 are uncoupled from shaft 5 and in their place, thelever arms 7 shown in Figs. 2 and 5 are coupled with shaft 5, which twooperations .can be performed by any well-known cou- ,pling anduncoupling means which are, therefore, not shown. By the uncoupling ofthe lever arms 6 also the lifting members 8 are disconnected, or madeinoperative. whereas the. stacking devices 13 are :now operativelyconnected with shaft 5 by means of the links 12 and lever arms '4'. Theguide-shaft 11 re- .mains entirely at rest, while rolled flat bars arehandled, but the glide-members 20 are swung about the shaft 19 fromtheir inoperative position shown by the broken lines in Fig. 4 to thefull-line operative position shown in Fig. 4, and the device'is nowready for the handling of rolled flat bars. The operation is as follows:

' The rolled flat barsshown at 22 in Fig. 4 are lifted in well-knownmanner from the feed-roller mechanism 1 to the position shown on theupper right hand in Fig. 4. When now through the rocking of shaft 5 thestacking elements 13 are moved from their inoperative position(full-line position in Fig. 4) to their operative position (broken linesin Fig. 4) then the rolled fiat bar 22 will slide down from the.position shown on the upper right hand in Fig. 4-to the positionindicated at 22 where it comes to. rest against the stop 13 provided onthe stacking elements 13. As the latter descend, the stop 13, which maybe made an integral portion of the. stacking element 13 or can be formedas a separate ledge, disappears below the inclined faces of the glideelements 20 thereby enabling the flat bar to glide down further from itsposition shown at 22 to the position shown at 22 shown in Fig. 5, whereit arrives at the stop 21 at the beginning of the cooling bed 4. Whenduring the next operation the stacking members 13 are again raised, theflat bar which has previously slid down to the position shown at 22 inFig. 5 is pressed against the stack of fiat bars shown in Figs. 4 and 5,whereby the stack is moved ahead along the cooling bed 4 toward the leftin Fig. 4.- Each time, the operation just described is repeated, thestack of flat bars on the cooling bed is increased, until the entirecooling bed is covered by flat bars and the stop 21 arrives in itsposition of rest shown at 21 in Fig. 2.

The stacked fiat bars are then removed from the cooling bed in anywell-known manner. 7 Y

The advantage of my device consists in this that it is equally welladapted to two different methods of cooling rolled bars with 1 the aidof the very simple means. Also provision is made that the large heatradiation of the rolled bars onto the parts of the device has noeffecton its absolutely safe opera- 1 ti'on.

Preferably the inclined face 15 of the feed roller mechanism is providedwith short 'metal pieces tosupport the rolled bars at spaced points,thereby to insure against warping of the comparatively long channelelement of the feed roller mechanism by the heat of the rolled bars.

I claim:

1. Cooling means for rolled bars comp-rising, in combination, a feedmechanism for the 1 rolled bars, a cooling bed, a stepped member betweenthe feed mechanism and the bed, means cooperating with said member toeffect a step by step advance of bars entirely thereacross from the feedmechanism to the cooling bed, and a glide member separate from saidmeans, said glide member being mounted for movement between aninoperative position in which it does not affect the step by stepadvance of the bars across the stepped member and an operative positionin which it overlies the stepped member and extends from the feedmechanism to the bed to support bars during their transfer from the feedmechanism to the cooling bed.

2. Cooling means for rolled bars comprising, in combination, a feedmechanism for the rolled bars, a cooling bed laterally spaced from thefeed mechanism, means for advancing bars step by step entirely acrossthe space between the feed mechanism and the bed, and means separatefrom said first mentioned means for advancing bars over said firstmentioned means entirely from the feed mechanism to the bed.

3. Cooling means for rolled bars comprising, in combination, a feedmechanism for the rolled bars, a cooling bed laterally spaced from thefeed mechanism, a stepped member between the feed mechanism and the bed,means cooperating with said member to effect a step by step advance ofbars thereacross from the feed mechanism to the cooling bed, a glidemember separate from said means, said glide member being mounted formove- -ment between an inoperative position in which it does not affectthe step by step advance of the bars across the stepped member and anoperative position in which it overlies the stepped member and extendsfrom the feed mechanism to the bed to support bars during their transferfrom the feed mechanism to the bed, and means cooperating with saidglide member when the same is in its operative position to effecttransfer of bars from the feed mechanism over the stepped member to thebed.

4. In combination with a feed mechanism for rolled bars and a coolingbed laterally spaced from said feed mechanism, means to efiect transferof bars from the feed mechanism to the bed comprising a bar supportingglide member between the feed mechanism and the bed inclined downwardlyfrom the former to the latter, a cooperating bar feeding member mountedfor rocking movement between positions above and below said glidemember, and stop means on said feeding member efiective to arrestdownward sliding movement of a bar over said member when the same isrocked to a position above the glide member to lift the bar from theglide member and also efiective when the feeding member is rocked to aposition above the glide member to effect edgewise stacking of apreviously arrested flat bar onto the bed.

5. The combination as set forth in claim 4 in which the stop means onthe feeding member comprises a formation of inverted V- shape disposedto extend above the top of the bed when the feeding member is moved to aposition above the glide member and to occupy a position to permit apreviously arrested bar to slide over the glide member onto the bed whenthe feeding member is moved to a position below the glide member.

6. In combination with a feed mechanism for rolled bars and a coolingbed laterally spaced from said feed mechanism, means to effect a step bystep transfer of bars from thefeed mechanism to the bed, and other meansfor transferring bars over said first mentioned means from the feedmechanism to the bed, said bar transfer means having a common operatorwith which the respective means are selectively connectible.

7. In combination with a feed mechanism for rolled bars and a coolingbed laterally spaced from said feed mechanism, a stepped member betweenthe feed mechanism and the bed, a second stepped member for cooperationwith said first mentioned stepped member, means for moving the secondmentioned stepped member above the first mentioned stepped member tolift the bars from the first mentioned stepped member and forsubsequently moving the second mentioned stepped member below the firstmentioned stepped member to deposit the bars on the latter member, andmeans for imparting lateral movement to the second mentioned steppedmember to effect a step by step advance of the bars across the membersfrom the feed mechanism to the bed, said last mentioned means comprisinga rock shaft, a lever arm rigid therewith, and a connection between saidlever arm and the second mentioned member whereby the latter member isvertically movable relative to the lever and whereby rocking movement ofthe lever arm imparts lateral movement to said second mentioned member.

8. The combination as set forth in claim 7 in which there is a pin andslot connection between the lever arm and the second mentioned member.

In testimony whereof, I affix my signature.

J OSEF GASSEN.

